DNSWHOIS.INFO - 172.in-addr.arpa

Search for IP or hostnames:

172.in-addr.arpa checked at 2025-09-06T02:07:44.384Z 414ms 87/87/87 100% R:10

`172.in-addr.arpa`

NS	`r.arin.net`
		A	2001:500:f0::63 ^{🇺🇸 ARIN Operations Anycast}
			PTR	`r.arin.net`
		A	199.180.180.63^{🇺🇸 ARIN Operations Anycast}
			PTR	`r.arin.net`
NS	`u.arin.net`
		A	2001:500:14:6050:ad::1 ^{🇺🇸 PCH AS42}
			PTR	`u.arin.net`
		A	204.61.216.50^{🇺🇸 PCH AS42}
			PTR	`u.arin.net`
NS	`x.arin.net`
		A	2001:500:f0::63 ^{🇺🇸 ARIN Operations Anycast}
			PTR	`r.arin.net`
		A	199.180.180.63^{🇺🇸 ARIN Operations Anycast}
			PTR	`r.arin.net`
NS	`y.arin.net`
		A	2001:500:127::30 ^{🇺🇸 VERISIGN-AS}
			PTR	`av4.nstld.com`
			PTR	`y.arin.net`
		A	192.82.134.30^{🇺🇸 VERISIGN-AS}
			PTR	`av4.nstld.com`
			PTR	`y.arin.net`
NS	`z.arin.net`
		A	2001:500:f0::63 ^{🇺🇸 ARIN Operations Anycast}
			PTR	`r.arin.net`
		A	199.180.180.63^{🇺🇸 ARIN Operations Anycast}
			PTR	`r.arin.net`
NS	`arin.authdns.ripe.net`
		A	2a13:27c0:30::10 ^{🇳🇱 EHG}
			PTR	`arin.authdns.ripe.net`
		A	193.0.9.10^{🇳🇱 RIPE NCC Authoritative DNS}
			PTR	`arin.authdns.ripe.net`

`in-addr.arpa`

	NS	`a.in-addr-servers.arpa`
	NS	`b.in-addr-servers.arpa`
	NS	`c.in-addr-servers.arpa`
	NS	`d.in-addr-servers.arpa`
	NS	`e.in-addr-servers.arpa`
	NS	`f.in-addr-servers.arpa`

Up
`193.172.in-addr.arpa`
`124.172.in-addr.arpa`
`252.172.in-addr.arpa`
`65.172.in-addr.arpa`
`251.172.in-addr.arpa`
`176.172.in-addr.arpa`
`169.172.in-addr.arpa`
`113.172.in-addr.arpa`
`13.172.in-addr.arpa`
`160.172.in-addr.arpa`
`139.172.in-addr.arpa`
`187.172.in-addr.arpa`
`75.172.in-addr.arpa`
`221.172.in-addr.arpa`
`167.172.in-addr.arpa`
`173.172.in-addr.arpa`
`242.172.in-addr.arpa`
`144.172.in-addr.arpa`
`215.172.in-addr.arpa`
`117.172.in-addr.arpa`
`172.172.in-addr.arpa`
`119.172.in-addr.arpa`
`204.172.in-addr.arpa`
`153.172.in-addr.arpa`
`203.172.in-addr.arpa`
`158.172.in-addr.arpa`
`163.172.in-addr.arpa`
`109.172.in-addr.arpa`
`230.172.in-addr.arpa`
`254.172.in-addr.arpa`
`165.172.in-addr.arpa`
`9.172.in-addr.arpa`
`67.172.in-addr.arpa`
`189.172.in-addr.arpa`
`181.172.in-addr.arpa`
`223.172.in-addr.arpa`
`4.172.in-addr.arpa`
`15.172.in-addr.arpa`
`208.172.in-addr.arpa`
`209.172.in-addr.arpa`
`168.172.in-addr.arpa`
`95.172.in-addr.arpa`
`140.172.in-addr.arpa`
`8.172.in-addr.arpa`
`11.172.in-addr.arpa`
`108.172.in-addr.arpa`
`177.172.in-addr.arpa`
`206.172.in-addr.arpa`
`161.172.in-addr.arpa`
`188.172.in-addr.arpa`
`69.172.in-addr.arpa`
`151.172.in-addr.arpa`
`12.172.in-addr.arpa`
`146.172.in-addr.arpa`
`227.172.in-addr.arpa`
`159.172.in-addr.arpa`
`248.172.in-addr.arpa`
`142.172.in-addr.arpa`
`170.172.in-addr.arpa`
`205.172.in-addr.arpa`
`116.172.in-addr.arpa`
`200.172.in-addr.arpa`
`68.172.in-addr.arpa`
`7.172.in-addr.arpa`
`90.172.in-addr.arpa`
`128.172.in-addr.arpa`
`220.172.in-addr.arpa`
`14.172.in-addr.arpa`
`213.172.in-addr.arpa`
`222.172.in-addr.arpa`
`194.172.in-addr.arpa`
`121.172.in-addr.arpa`
`207.172.in-addr.arpa`
`114.172.in-addr.arpa`
`131.172.in-addr.arpa`
`202.172.in-addr.arpa`
`74.172.in-addr.arpa`
`138.172.in-addr.arpa`
`152.172.in-addr.arpa`
`5.172.in-addr.arpa`
`91.172.in-addr.arpa`
`250.172.in-addr.arpa`
`145.172.in-addr.arpa`
`125.172.in-addr.arpa`
`137.172.in-addr.arpa`
`133.172.in-addr.arpa`
`2.172.in-addr.arpa`
`3.172.in-addr.arpa`
`147.172.in-addr.arpa`
`132.172.in-addr.arpa`
`135.172.in-addr.arpa`
`198.172.in-addr.arpa`
`211.172.in-addr.arpa`
`154.172.in-addr.arpa`
`115.172.in-addr.arpa`
`118.172.in-addr.arpa`
`72.172.in-addr.arpa`
`66.172.in-addr.arpa`
`178.172.in-addr.arpa`
`217.172.in-addr.arpa`

Starts with same word
`172.fr`
`172.jp`
`172.in-addr.arpa`
`172.in`
`172.co`
`172.cc`
`172.ph`
`172.ir`
`172.com`
`172.one`
`172.aero`
`172.de`
`172.cn`
`172.us`
`172.it`
`172.tw`
`172.ca`
`172.zone`
`172.ws`
`172.net`
`172.hk`
`172.la`
`172.nl`
`172.ch`

Starts similarily
`172.in`
`217.co`
`127.ca`
`721.co`
`217.de`
`127.ch`
`712.net`
`721.me`
`127.ru`
`712.fr`
`127.sunnyday.jp`
`271.ca`
`217.in-addr.arpa`
`712.jp`
`217.dk`
`127.it`
`172.co`
`127.fi`
`127.fr`
`172.cc`
`172.ph`
`217.jp`
`127.wtf`
`712.cn`
`172.ir`
`172.com`
`172.one`
`172.aero`
`172.de`
`172.cn`
`712.run`
`217.in`
`712.es`
`127.la`
`127.at`
`271.ph`
`217.ru`
`172.us`
`217.net`
`127.xxx`
`172.it`
`721.ph`
`271.jp`
`127.mx`
`721.cn`
`721.de`
`217.fr`
`127.in-addr.arpa`
`721.ru`
`172.tw`
`217.at`
`127.run`
`712.eu`
`172.ca`
`127.io`
`127.ink`
`712.lt`
`127.eu`
`721.tw`
`712.com.cn`
`127.biz`
`271.nl`
`271.spb.ru`
`271.com`
`271.ch`
`127.ath.cx`
`217.cc`
`127.pictures`
`127.jp`
`271.us`
`217.waw.pl`
`271.se`
`721.org`
`721.in`
`721.com`
`721.ink`
`217.es`
`721.net`
`712.cz`
`712.com`
`217.ca`
`127.cz`
`271.de`
`127.de`
`127.com`
`721.info`
`217.ch`
`172.zone`
`127.co`
`271.eu`
`217.ws`
`127.ws`
`712.jpn.com`
`217.am`
`127.net`
`217.church`
`127.me`
`172.ws`
`712.ru`
`172.net`

AI analysis

The parent of 193.172.in-addr.arpa, 124.172.in-addr.arpa, 252.172.in-addr.arpa, 65.172.in-addr.arpa, 251.172.in-addr.arpa, as well as hundreds of other host names, is 172.in-addr.arpa.

The delegation of 172.in-addr.arpa is to six name servers, namely r.arin.net, u.arin.net, x.arin.net, y.arin.net, z.arin.net, and arin.authdns.ripe.net.

The name servers of 172.in-addr.arpa are at least partially shared with other domains such as 152.in-addr.arpa, 180.180.199.in-addr.arpa, 146.in-addr.arpa, 206.in-addr.arpa, and 192.in-addr.arpa.

The name servers ns4.apnic.net, ns1.arin.net, ns2.arin.net, ns3.arin.net, and ns3.lacnic.net are frequently utilized in conjunction.

r.arin.net, x.arin.net, and z.arin.net all point to the IP numbers: 2001:500:f0::63 and 199.180.180.63.

u.arin.net points to the IP numbers: 2001:500:14:6050:ad::1 and 204.61.216.50.

y.arin.net points to the IP numbers: 2001:500:127::30 and 192.82.134.30.

arin.authdns.ripe.net points to the IP numbers: 2a13:27c0:30::10 and 193.0.9.10.

dbq